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Jyutping jat1 soeng5
Pinyin yī shàng

Definitions (Wiktionary)
  1. adv, literary
    all of a sudden; all at once
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    他让我等了整整一上午。
    他讓我等了整整一上午。
    tā ràng wǒ děng le zhěng zhěng yī shàng wǔ 。
    • He kept me waiting all morning.
  2. Mandarin
    他花了一上午的时间看书。
    他花了一上午的時間看書。
    tā huā le yī shàng wǔ de shí jiān kàn shū 。
    • He spent the morning reading a book.
    • He read a book all morning.
  3. Mandarin
    因为汤姆一上课就睡觉,所以他像是个去上学就是去睡觉的人。
    因為湯姆一上課就睡覺,所以他像是個去上學就是去睡覺的人。
    yīn wèi tāng mǔ yī shàng kè jiù shuì jiào , suǒ yǐ tā xiàng shì gè qù shàng xué jiù shì qù shuì jiào de rén 。
    • Tom is always sleeping in class. It almost seems as if he goes to school just to catch up on his sleep.
Examples (粵典–words.hk)
  1. Cantonese
    好多鱼一上水就死。
    好多魚一上水就死。
    hou2 do1 jyu2 jat1 soeng5 seoi2 zau6 sei2.
    • Many fish die when taken out of water.
  2. Cantonese
    唔好一上车就耷低头啦!
    唔好一上車就耷低頭啦!
    m4 hou2 jat1 soeng5 ce1 zau6 dap1 dai1 tau4 laa1!
    • Don't lay your head down and use your mobile phone once you get on the car!
  3. Cantonese
    我一上台就会好紧张。
    我一上台就會好緊張。
    ngo5 jat1 soeng5 toi4 zau6 wui5 hou2 gan2 zoeng1.
    • I get very nervous once I step on the stage.
  4. Cantonese
    间公司一上市,六叔就攞咗三球去银行扫货。
    間公司一上市,六叔就攞咗三球去銀行掃貨。
    gaan1 gung1 si1 jat1 soeng5 si5, luk6 suk1 zau6 lo2 zo2 saam1 kau4 heoi3 ngan4 hong4 sou3 fo3.
    • Once this company is listed, Uncle Six took 3 million dollars to the bank to buy their stock.
  5. Cantonese
    新政党一上任,前朝政府官员大肆被清算。
    新政黨一上任,前朝政府官員大肆被清算。
    san1 zing3 dong2 jat1 soeng5 jam6, cin4 ciu4 zing3 fu2 gun1 jyun4 daai6 si3 bei6 cing1 syun3
    • Once the new party took office, the former government officials were purged left and right.
Examples (Wiktionary)
  1. Mandarin
    老师给大家讲了一上午的进化论。
    老師給大家講了一上午的進化論。
    lǎo shī gěi dà jiā jiǎng le yī shàng wǔ de jìn huà lùn .
    • The teacher talked to everyone about the theory of evolution all morning.